Popsugar Celebrity The Royals Kate Middleton and Meghan Markle's Royal Debuts See All of Kate Middleton and Meghan Markle's Exciting Royal Firsts, Side by Side! 9 May 2019 by Britt Stephens View On One Page Photo 19 of 36 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 19 Kate's First Royal Ascot Kate joined the royals on day two of Royal Ascot in June 2016, making her debut in white. Previous Next Start Slideshow The RoyalsMeghan MarkleThe British RoyalsKate Middleton